package com.itheima.controller;


import com.alibaba.dubbo.config.annotation.Reference;
import com.alibaba.fastjson.JSON;
import com.itheima.constant.MessageConstant;
import com.itheima.constant.RedisMessageConstant;
import com.itheima.entity.Result;
import com.itheima.pojo.Member;
import com.itheima.service.MemberService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import redis.clients.jedis.JedisPool;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;
import java.util.Date;
import java.util.Map;

/**
 * 会员登录
 */

@RestController
@RequestMapping("/member")
public class MemberController {

    @Autowired
    private JedisPool jedisPool;
    @Reference
    private MemberService memberService;

    /**
     *手机号发送验证码
     */
    /**
     * @param response 把手机号写入cookie中返回给客户端
     * @param map      验证码  电话
     * @return true
     */
    @RequestMapping("/login")
    public Result login(HttpServletResponse response, @RequestBody Map map) {
        String telephone = (String) map.get("telephone");
        String validateCode = (String) map.get("validateCode");
        //从Redis中获取缓存的验证码
        String codeInRedis = jedisPool.getResource().get(telephone + RedisMessageConstant.SENDTYPE_LOGIN);
        //判断验证码是否相等
        if (validateCode == null || codeInRedis == null || !codeInRedis.equals(validateCode)) {
            //验证码错误
            return new Result(false, MessageConstant.VALIDATECODE_ERROR);
        }
        //验证码正确
        else {
            //判断是否为会员
            Member member = memberService.findByTelephone(telephone);
            if (member == null) {
                //不是会员,自动完成注册
                member = new Member();
                member.setPhoneNumber(telephone);
                member.setRegTime(new Date());
                memberService.add(member);
            }

            //登录成功
            //写入Cookie,跟踪用户
            Cookie cookie = new Cookie("login_member_telephone", telephone);
            cookie.setPath("/");//路径
            cookie.setMaxAge(60 * 60 * 24 * 30);
            response.addCookie(cookie);

            //保存会员信息到Redis中  redis中不能保存对象,转成json字符串保存
            String json = JSON.toJSON(member).toString();
            //todo  redis保存时间修改延长60*30*4
            jedisPool.getResource().setex(telephone, 60 * 30, json);
            return new Result(true, MessageConstant.LOGIN_SUCCESS);
        }
    }
}
